Perhaps you should try some spelling variations:
modell studien » model studies, models studies, moderne studien
des filosofia » de filosofia, e filosofia, di filosofia
test modell » tekst modell, test models, test model
studien des » studien der, studie des, studien aus
filosofia e » filosofia de, filosofia del
e literatur » die literatur

You may be able to get more results by adjusting your search query.

• Adding a wildcard symbol may retrieve word variants: test modell studien des filosofia e literatur*.